Correct answer: Rf41...Qb4 2.B:b4# 1...Q:e1 2.Q:e1# 1.Q:b1?? (2.Bf2#/B:g3#/Bd2#/Bc3#/Bb4#/Ba5#) 1...d2 2.B:d2# 1...Nc3 2.B:c3# but 1.